2131857

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 4018560

約数和(自身を除く): 1886703

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 137, 171, 247, 273, 399, 411, 741, 819, 959, 1197, 1233, 1729, 1781, 2223, 2603, 2877, 5187, 5343, 7809, 8631, 12467, 15561, 16029, 18221, 23427, 33839, 37401, 54663, 101517, 112203, 163989, 236873, 304551, 710619, 2131857]

約数ペア:

[(1, 2131857), (3, 710619), (7, 304551), (9, 236873), (13, 163989), (19, 112203), (21, 101517), (39, 54663), (57, 37401), (63, 33839), (91, 23427), (117, 18221), (133, 16029), (137, 15561), (171, 12467), (247, 8631), (273, 7809), (399, 5343), (411, 5187), (741, 2877), (819, 2603), (959, 2223), (1197, 1781), (1233, 1729)]